# Piano Chords Master vs 音感サプリAs

The clearest difference is review sentiment: Piano Chords Master at 67% against 音感サプリAs's 0%. Piano Chords Master also leads on price (Free vs $3.99) and update cadence (every 6 weeks vs every 39 months). 音感サプリAs's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Piano Chords Master is free to download; 音感サプリAs costs $3.99 up front. Piano Chords Master sells 3 one-off in-app purchases. 音感サプリAs asks for nothing beyond the download.

Piano Chords Master ships an update every 6 weeks, 音感サプリAs every 39 months. The most recent releases landed on November 2, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Piano Chords Master | 音感サプリAs |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.5 (66 ratings)](https://appshunter.io/ios/app/piano-chords-master/id1068547064/reviews)** | — |
| Number of ratings | **66** | — |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 39 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 11 MB | 19 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Eversystem Inc.](https://appshunter.io/developer/1450452910) |

## What reviewers say

### Piano Chords Master

[App page](https://appshunter.io/ios/app/piano-chords-master/id1068547064)

This app allows users to create and play songs by setting chords for each bar on a virtual keyboard. It supports various chord types and input methods, including MIDI, and offers transposition features for practice. Unlock all chord patterns and sounds with an in-app purchase.

**Highlights:** Set chords per bar, Chord tone and sound confirmation, Identify chords by pressing keys, Full song playback with BPM, MIDI keyboard support, Chord transposition, Save and load songs

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All sounds are available | $0.99 | one-time |
| All chords are available | $1.99 | one-time |
| Always remove banner ads. | $7.99 | one-time |


### 音感サプリAs

[App page](https://appshunter.io/ios/app/as/id1190605756)

This app helps wind instrument players improve their tuning and ear training. It offers tutorials, a unique brain tuner with instrument-specific reference tones, a 13-note library, and exercises to enhance pitch and rhythm accuracy.

**Highlights:** Instrument-specific reference tones, Pitch and rhythm accuracy exercises, 13-note scale library, Recording for self-assessment, Comprehensive tutorials

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Piano Chords Master free?

Piano Chords Master is free to download, with in-app purchases available.

### Is 音感サプリAs free?

音感サプリAs costs $3.99, with no in-app purchases.

### Do Piano Chords Master or 音感サプリAs have ads?

Piano Chords Master shows ads; 音感サプリAs does not.

### Which is updated more often, Piano Chords Master or 音感サプリAs?

Piano Chords Master ships an update every 6 weeks, and 音感サプリAs every 39 months. Most recently, Piano Chords Master was updated on November 2, 2026 and 音感サプリAs on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*